2545155125 has 8 divisors (see below), whose sum is σ = 3176353752. Its totient is φ = 2036124000.

The previous prime is 2545155121. The next prime is 2545155131. The reversal of 2545155125 is 5215515452.

It can be written as a sum of positive squares in 4 ways, for example, as 12348196 + 2532806929 = 3514^2 + 50327^2 .

It is not a de Polignac number, because 2545155125 - 2² = 2545155121 is a prime.

It is a super-2 number, since 2×2545155125² = 12955629220627531250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545155121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10180496 + ... + 10180745.

It is an arithmetic number, because the mean of its divisors is an integer number (397044219).

Almost surely, 2^2545155125 is an apocalyptic number.

2545155125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2545155125 is a deficient number, since it is larger than the sum of its proper divisors (631198627).

2545155125 is an equidigital number, since it uses as much as digits as its factorization.

2545155125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361256 (or 20361246 counting only the distinct ones).

The product of its digits is 50000, while the sum is 35.

The square root of 2545155125 is about 50449.5304735336. The cubic root of 2545155125 is about 1365.3314235912.

The spelling of 2545155125 in words is "two billion, five hundred forty-five million, one hundred fifty-five thousand, one hundred twenty-five".